'''
 This is a module
'''
import re
 
from urllib import request
# 断点调试
class Spider():
    '''
     This is a class
    '''
    url = 'https://www.panda.tv/cate/lol?pdt=1.24.s1.3.4fibegt9f83'
    root_pattern = '<div class="video-info">([\s\S]*?)</div>'
    name_pattern = '</i>([\s\S]*?)</span>'
    number_pattern = '<i class="ricon ricon-eye">.*?</i>(.*?)</span>'
 
    def __fetch_content(self):
        '''
        This is a function
        '''
 
        # This is a HTTP request
        r = request.urlopen(Spider.url)
        htmls = r.read()
        htmls = str(htmls,encoding="utf-8").replace('\n ','')
        return htmls
 
    def __analysis(self, htmls):
        root_html = re.findall(Spider.root_pattern,htmls)
 
        anchors= []
        for html in root_html:
            name = re.findall(Spider.name_pattern,html)
            number = re.findall(Spider.number_pattern,html)
            anchor = {'name':name,'number':number}
            anchors.append(anchor) #在列表里添加元素
 
        return anchors
#精练
    def __refine(self,anchors):
       l = lambda anchor:{
           'name':anchor['name'][0].strip(),
           'number':anchor['number'][0]
                          }#strip内置函数去掉\n和空格
       return map(l,anchors)
 
    def __sort(self,anchors):
        anchors = sorted(anchors,key=self.__sort_seed,reverse=True)#reverse决定升序
        return anchors
 
    def __sort_seed(self,anchor):
        r = re.findall('\d*',anchor['number'])
        number = float(r[0])
        if '万' in anchor['number']:
            number *=10000
        return number
 
    def __show(self,anchors):
        for rank in range(0,len(anchors)):
            print('rank' + str(rank+1)
            +':'+anchors[rank]['name']
            +"------"+anchors[rank]['number'])
 
    def go(self):
        htmls=self.__fetch_content()
        anchors = self.__analysis(htmls)
        anchors = list(self.__refine(anchors))
        anchors = self.__sort(anchors)
        self.__show(anchors)
 
spider=Spider()
spider.go()